Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
620 FOUS53 KDMX 061316 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 816 AM CDT Wed Aug 6 2025 IAZ060-062100- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 816 AM CDT Wed Aug 6 2025 Date Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 70 90 74 93 Temp 72 79 84 83 77 74 71 71 79 86 89 87 82 79 76 74 83 89 93 90 Dewpt 67 69 70 70 70 70 68 68 70 71 72 72 72 70 69 67 70 72 73 73 RH 84 72 63 65 79 87 90 90 74 61 57 61 72 74 79 79 65 57 52 58 Wind dir SE SE S SE SE SE SE SE S S S S S S S S S S S S Wind spd 9 9 10 8 6 6 6 8 9 10 10 10 9 9 9 10 12 13 14 12 Clouds B2 B2 B1 SC SC SC SC B1 SC SC SC FW FW FW SC SC FW FW FW FW PoP 12hr 70 20 10 10 0 QPF 12hr 0.11 0.03 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L S S S Tstms C S S S Heat index 88 92 96 94 96102 98 Max heat 82 90 86 94 98 93 97 103 Date Sat 08/09/25 Sun 08/10/25 Mon 08/11/25 Tue 08/12/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 91 71 87 67 84 67 87 Temp 82 76 87 87 77 72 84 81 72 68 81 80 71 68 83 83 Dewpt 70 68 71 72 70 68 71 70 69 67 70 70 69 67 70 70 PWind dir S S S S S SW SW W Wind char GN GN LT LT LT LT LT LT Avg clouds FW SC B1 B1 SC B1 B1 B1 B1 B2 B1 B1 SC SC SC SC PoP 12hr 30 30 60 40 60 40 40 20 Rain shwrs C C S C L C C C L C C C C S Tstms C C S C C C C C S S C C S S $$ IAZ039-062100- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 816 AM CDT Wed Aug 6 2025 Date Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 68 87 70 90 Temp 73 79 82 81 75 71 70 69 77 83 87 84 77 75 73 72 81 87 90 87 Dewpt 65 67 68 69 69 68 67 68 71 72 72 73 72 71 69 69 71 73 74 73 RH 76 67 63 67 82 90 90 97 82 70 61 70 85 87 87 90 72 63 60 63 Wind dir S S S S SE SE SE SE S S S S S S S S S S S S Wind spd 10 11 10 8 6 6 6 6 9 10 11 9 8 9 9 10 12 13 14 13 Clouds B1 B2 B1 B1 SC SC B2 SC SC SC FW SC SC FW FW SC SC FW FW FW PoP 12hr 40 30 20 10 0 QPF 12hr 0.02 0.01 0.02 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S S S S Tstms S S S S S Heat index 89 93 90 94 99 95 Max heat 82 86 90 94 88 95 101 Date Sat 08/09/25 Sun 08/10/25 Mon 08/11/25 Tue 08/12/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 73 88 69 84 65 82 65 84 Temp 79 74 85 82 73 70 81 80 69 67 79 78 69 67 80 81 Dewpt 70 68 72 72 69 68 72 71 67 66 70 70 67 66 69 70 PWind dir S S S S S SW SW W Wind char GN GN LT LT LT LT LT LT Avg clouds FW SC B1 B1 B1 B1 B1 SC B1 B2 B1 B1 SC B1 SC SC PoP 12hr 30 30 60 40 50 40 50 20 Rain shwrs C C S C L C S C C C C C C S Tstms C C S C L C S C S C S S $$ IAZ048-062100- Ames-Story IA 41.99N 93.62W Elev. 936 ft 816 AM CDT Wed Aug 6 2025 Date Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 68 89 72 92 Temp 70 77 82 82 75 73 70 69 78 85 88 85 80 77 74 72 81 88 91 88 Dewpt 67 69 71 72 71 69 68 68 72 73 75 74 73 72 69 68 72 74 76 75 RH 90 76 69 72 87 87 93 97 82 67 66 70 79 85 84 87 74 63 62 66 Wind dir SE S S SE SE SE SE S S S S SE S S S S S S S S Wind spd 9 10 10 8 5 6 6 6 9 10 10 9 8 8 9 9 11 13 14 12 Clouds B2 B2 B1 SC SC SC B1 B1 SC SC FW FW FW SC SC SC FW FW FW SC PoP 12hr 70 30 20 10 0 QPF 12hr 0.15 0.02 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L S C S S Tstms C S C S Heat index 92 97 94 97102 97 Max heat 88 84 93 99 91 98 103 Date Sat 08/09/25 Sun 08/10/25 Mon 08/11/25 Tue 08/12/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 89 69 87 65 83 65 86 Temp 80 74 85 84 74 70 83 78 69 67 79 79 69 66 81 81 Dewpt 71 69 73 74 72 68 73 70 69 67 71 71 68 66 71 71 PWind dir S S S S S SW SW W Wind char GN GN LT LT LT LT LT LT Avg clouds SC SC SC B1 SC B1 B1 B1 B1 B2 B1 B1 SC SC SC FW PoP 12hr 30 30 70 40 60 30 40 20 Rain shwrs C C S C L C C C L C C C C S Tstms C C S S C C C C C S C C S S $$ IAZ004-062100- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 816 AM CDT Wed Aug 6 2025 Date Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 67 86 70 90 Temp 68 76 80 80 73 71 69 69 76 82 86 83 76 74 73 71 79 85 88 86 Dewpt 65 68 70 71 70 68 67 67 71 73 74 75 73 70 69 67 71 74 76 75 RH 90 76 72 74 90 90 93 93 85 74 68 77 90 87 87 87 77 70 68 70 Wind dir S S S S S S S S S S S S S S S S S S S S Wind spd 14 14 12 10 8 9 8 8 10 10 11 10 10 10 11 12 14 17 18 14 Wind gust 28 25 Clouds B2 B2 B1 B1 B1 SC B1 B1 SC FW FW FW FW SC SC SC FW FW FW FW PoP 12hr 40 40 20 5 5 QPF 12hr 0.18 0.01 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C S S Tstms C C C S Heat index 87 94 90 93 99 95 Max heat 85 87 95 87 93 99 Date Sat 08/09/25 Sun 08/10/25 Mon 08/11/25 Tue 08/12/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 85 66 84 63 82 63 83 Temp 78 72 80 80 69 67 81 80 67 65 79 78 67 64 80 79 Dewpt 70 68 70 71 67 65 69 70 65 63 68 67 64 62 66 68 PWind dir S S SE SW SW SW SW SW Wind char GN GN LT LT LT LT LT LT Avg clouds SC B1 B1 SC SC SC SC SC B1 B1 SC SC SC SC FW FW PoP 12hr 40 40 50 20 40 30 30 10 Rain shwrs C C C C C S C C S C C S Tstms C C C C C S S S C S S $$ IAZ035-062100- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 816 AM CDT Wed Aug 6 2025 Date Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 69 88 71 91 Temp 70 77 81 81 75 72 71 70 78 84 87 85 78 75 73 72 81 87 90 87 Dewpt 67 69 71 72 70 69 68 68 72 74 75 75 73 71 69 68 72 75 76 76 RH 90 76 72 74 84 90 90 93 82 72 68 72 85 87 87 87 74 68 64 70 Wind dir S S S SE SE SE S S S S S S SE S S S S S S S Wind spd 10 11 11 9 8 8 8 6 9 10 10 9 9 9 10 10 12 13 14 13 Clouds B2 B2 B1 SC SC SC B1 B1 SC SC FW FW FW SC SC SC FW FW FW FW PoP 12hr 70 30 20 5 0 QPF 12hr 0.24 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C C S S Tstms C C C S Heat index 91 96 94 96102 97 Max heat 86 93 99 90 96 103 Date Sat 08/09/25 Sun 08/10/25 Mon 08/11/25 Tue 08/12/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 73 87 68 86 64 83 64 84 Temp 79 74 82 82 72 68 82 78 67 65 79 78 68 65 80 81 Dewpt 71 69 73 74 70 68 72 70 66 65 71 70 67 65 69 70 PWind dir S S SE S S SW SW SW Wind char GN GN LT LT LT LT LT LT Avg clouds SC SC B1 B1 SC B1 SC SC B1 B1 B1 SC SC SC FW FW PoP 12hr 40 40 60 30 50 30 40 10 Rain shwrs C C C C L C C C C S C C C Tstms C C C C C C C C S S C C S $$ IAZ094-062100- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 816 AM CDT Wed Aug 6 2025 Date Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 69 89 72 91 Temp 75 80 83 83 76 74 71 70 77 84 87 85 80 78 75 73 81 87 90 88 Dewpt 67 69 71 72 71 70 68 68 70 72 73 73 72 70 67 67 71 72 73 73 RH 76 69 67 70 85 87 90 93 79 67 63 67 77 76 76 81 72 61 58 61 Wind dir S SE S SE SE SE S S S S S S S S S S S S S S Wind spd 6 8 9 8 5 6 6 6 9 10 11 9 9 9 10 10 12 13 14 12 Wind gust 23 24 Clouds B1 B1 SC SC SC FW SC B1 B1 SC FW FW FW FW SC FW FW FW FW FW PoP 12hr 60 20 10 5 0 QPF 12hr 0.05 0.02 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S Tstms C S S Heat index 88 88 90 94 92 94 98 95 Max heat 82 89 85 92 96 91 96 101 Date Sat 08/09/25 Sun 08/10/25 Mon 08/11/25 Tue 08/12/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 89 71 85 68 84 67 85 Temp 80 74 86 85 77 72 82 80 71 68 80 80 71 67 82 82 Dewpt 70 68 71 73 69 68 71 71 70 67 71 72 70 67 71 72 PWind dir S S S S S S SW SW Wind char GN GN LT LT LT LT LT LT Avg clouds FW SC B1 B1 SC B1 B1 B1 B1 B2 B1 B1 B1 B1 SC SC PoP 12hr 20 20 50 40 50 40 40 20 Rain shwrs S S C C C S C C C C C C S Tstms S S C C C S C C S C C C S $$ IAZ017-062100- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 816 AM CDT Wed Aug 6 2025 Date Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 68 85 69 88 Temp 69 76 79 79 72 70 69 69 76 82 85 83 76 73 72 71 79 85 88 86 Dewpt 65 68 70 70 69 67 67 67 71 73 74 74 72 69 69 68 72 74 76 75 RH 87 76 74 74 90 90 93 93 85 74 70 74 87 87 90 90 79 70 68 70 Wind dir S S S S S S S S S S S S S S S S S S S S Wind spd 10 11 11 9 6 8 6 5 8 9 10 8 8 8 9 10 12 13 16 13 Wind gust 24 Clouds B2 B2 B2 B1 B1 B1 B1 B1 SC SC FW FW FW SC SC SC FW FW FW FW PoP 12hr 60 30 30 5 0 QPF 12hr 0.07 0.02 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C C C C S S Tstms C C C C S S Heat index 87 93 90 93 99 95 Max heat 83 87 94 86 94 99 Date Sat 08/09/25 Sun 08/10/25 Mon 08/11/25 Tue 08/12/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 84 66 84 63 82 63 82 Temp 77 73 81 80 70 67 80 79 66 65 79 78 66 65 79 79 Dewpt 69 68 72 73 68 66 70 71 65 64 70 69 64 63 68 69 PWind dir S S S SW S SW SW W Wind char GN GN LT LT LT LT LT LT Avg clouds FW SC B1 B1 SC B1 SC SC B1 B1 B1 SC SC SC FW FW PoP 12hr 40 50 60 30 50 30 40 20 Rain shwrs C C C C L C S C C S C C C S S Tstms C S C C L S S C S S C S S $$ IAZ049-062100- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 816 AM CDT Wed Aug 6 2025 Date Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 68 87 71 90 Temp 72 78 82 81 74 71 69 69 76 83 86 84 77 75 73 72 80 87 89 87 Dewpt 66 68 70 70 69 68 67 67 70 72 73 73 72 70 68 67 71 73 74 73 RH 81 71 67 69 84 90 93 93 82 70 65 70 85 84 84 84 74 63 61 63 Wind dir S S S SE SE SE S S S S S S S S S S S S S S Wind spd 9 10 10 8 5 6 6 6 9 10 10 9 8 8 9 10 12 13 14 11 Clouds B1 B2 B1 B1 SC SC B1 B1 SC SC FW FW FW FW SC SC FW FW FW FW PoP 12hr 60 20 20 10 0 QPF 12hr 0.05 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S S S Tstms S S S S S Heat index 88 93 91 94 99 94 Max heat 86 90 95 89 95 101 Date Sat 08/09/25 Sun 08/10/25 Mon 08/11/25 Tue 08/12/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 72 88 69 85 65 81 65 84 Temp 78 73 84 82 73 70 81 78 69 66 79 78 68 66 80 80 Dewpt 68 67 72 73 69 68 72 71 67 65 70 70 67 65 70 70 PWind dir S S S S S SW SW W Wind char GN GN LT LT LT LT LT LT Avg clouds FW SC B1 B1 B1 B1 B1 SC B1 B2 B1 B1 SC SC SC SC PoP 12hr 30 30 60 40 60 40 50 20 Rain shwrs C C S C L C C C L C C C C S Tstms C C S S C C C C C S C C S S $$ IAZ086-062100- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 816 AM CDT Wed Aug 6 2025 Date Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 70 88 72 92 Temp 76 82 84 83 76 73 71 71 79 85 88 85 79 78 75 74 81 89 91 88 Dewpt 68 70 70 71 70 69 68 69 71 72 73 74 73 71 69 68 71 72 74 73 RH 76 67 63 67 82 87 90 93 77 65 61 70 82 79 82 82 72 57 58 61 Wind dir SE SE S SE SE SE SE SE S S S S SE S S S S S S S Wind spd 8 8 9 5 5 6 6 6 8 9 10 8 8 9 9 9 11 12 12 10 Wind gust 23 Clouds SC B1 B1 SC SC SC SC SC SC SC FW SC FW SC SC SC FW FW FW FW PoP 12hr 50 10 10 10 0 QPF 12hr 0.09 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C Heat index 88 90 96 93 96101 96 Max heat 86 90 85 92 98 92 97 102 Date Sat 08/09/25 Sun 08/10/25 Mon 08/11/25 Tue 08/12/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 91 72 87 68 84 68 86 Temp 80 75 87 86 77 73 82 81 73 70 81 81 72 69 83 83 Dewpt 70 69 72 73 70 69 71 71 70 68 71 72 71 69 71 72 PWind dir S S S S S SW SW W Wind char GN GN GN GN LT LT LT LT Avg clouds FW SC B1 SC B1 B1 B1 B1 B1 B2 B1 B1 B1 B1 SC SC PoP 12hr 20 20 50 40 50 40 50 20 Rain shwrs S S C C C S C C C C C C S S Tstms S S S C C S C C S C C S S S $$